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Zinc plated steel closure spring
Standard Features * Return air T-Bar lay-in filter grille for 20" x 20" duct * Removable louvered 20 gauge steel face * 20" x 20" x 1" filter (not included) * Square collar (20x20) * 2x2 panel * Seismic support holes * Soft White Options * Square to round No Labor Collar
Hinged removable door with hinges parallel to the longest dimension
Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2
Universal Collar UC-BD-10 Accessories Zinc plated steel closure springStandard Features * Universal Collars for T bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments
US$ 89.00
US$ 144.50
